public void Returns_False_When_Circuit_Is_Open_But_Request_Is_First_After_GetCircuitBreakerSleepWindowInMilliseconds()
{
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(dateTimeProviderMock.Object, commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
dateTimeProviderMock.Setup(time => time.CurrentTimeInMilliseconds).Returns(0);
circuitBreaker.OpenCircuit();
configurationServiceMock.Setup(service => service.GetCircuitBreakerSleepWindowInMilliseconds()).Returns(5000);
dateTimeProviderMock.Setup(time => time.CurrentTimeInMilliseconds).Returns(6000);
// first request
circuitBreaker.AllowRequest();
// Act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.False(allowRequest);
}
public void Returns_True_When_GetCircuitBreakerForcedClosed_Is_True()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
configurationServiceMock.Setup(service => service.GetCircuitBreakerForcedClosed()).Returns(true);
// Act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.True(allowRequest);
}
public void Returns_True_When_ErrorPercentage_Is_Less_Than_GetCircuitBreakerErrorThresholdPercentage()
{
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
commandMetricsMock.Setup(collector => collector.GetHealthCounts()).Returns(new HystrixHealthCounts(100, 16, 16));
configurationServiceMock.Setup(service => service.GetCircuitBreakerErrorThresholdPercentage()).Returns(17);
// Act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.True(allowRequest);
}
public void Returns_True_When_TotalRequests_Is_Less_Than_GetCircuitBreakerRequestVolumeThreshold()
{
var dateTimeProvider = new Mock <IDateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(dateTimeProvider.Object, commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
commandMetricsMock.Setup(collector => collector.GetHealthCounts()).Returns(new HystrixHealthCounts(99, 16, 16));
configurationServiceMock.Setup(service => service.GetCircuitBreakerRequestVolumeThreshold()).Returns(100);
// Act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.True(allowRequest);
}
public void Returns_False_When_Circuit_Is_Open()
{
var dateTimeProviderMock = new Mock <DateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(dateTimeProviderMock.Object, commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
dateTimeProviderMock.Setup(time => time.GetCurrentTimeInMilliseconds()).Returns(0);
circuitBreaker.OpenCircuit();
// act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.False(allowRequest);
}
public void Returns_False_When_ErrorPercentage_Is_Less_Than_GetCircuitBreakerErrorThresholdPercentage()
{
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(dateTimeProviderMock.Object, commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
commandMetricsMock.Setup(collector => collector.GetHealthCounts()).Returns(new HystrixHealthCounts(100, 16, 16));
configurationServiceMock.Setup(service => service.GetCircuitBreakerErrorThresholdPercentage()).Returns(16);
dateTimeProviderMock.Setup(time => time.CurrentTimeInMilliseconds).Returns(0);
// Act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.False(allowRequest);
}
public void Opens_Circuit_When_ErrorPercentage_Is_Less_Than_GetCircuitBreakerErrorThresholdPercentage()
{
var dateTimeProvider = new Mock <IDateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(dateTimeProvider.Object, commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
commandMetricsMock.Setup(collector => collector.GetHealthCounts()).Returns(new HystrixHealthCounts(100, 16, 16));
configurationServiceMock.Setup(service => service.GetCircuitBreakerErrorThresholdPercentage()).Returns(16);
Assert.False(circuitBreaker.CircuitIsOpen);
// Act
circuitBreaker.AllowRequest();
Assert.True(circuitBreaker.CircuitIsOpen);
}
public void Returns_True_When_Circuit_Has_Been_Closed_After_Being_Open()
{
var dateTimeProvider = new Mock <IDateTimeProvider>();
var commandIdentifier = new HystrixCommandIdentifier("group", "key");
var configurationServiceMock = new Mock <IHystrixConfigurationService>();
var commandMetricsMock = new Mock <IHystrixCommandMetrics>();
var circuitBreaker = new HystrixCircuitBreaker(dateTimeProvider.Object, commandIdentifier, configurationServiceMock.Object, commandMetricsMock.Object);
commandMetricsMock.Setup(collector => collector.GetHealthCounts()).Returns(new HystrixHealthCounts(100, 16, 16));
configurationServiceMock.Setup(service => service.GetCircuitBreakerErrorThresholdPercentage()).Returns(17);
circuitBreaker.OpenCircuit();
circuitBreaker.CloseCircuit();
// Act
bool allowRequest = circuitBreaker.AllowRequest();
Assert.True(allowRequest);
}